For sale is a SET of 3 Greenfield MACHINIST TOOLING TAP 1. 1 1/2 - 6 ACME-G RH G HS GQ 12N Overall Length is 18" 2. 1 1/2 - 6 ACME-G RH G HS GQ 12N Overall Length is 18" 3. 1 1/2 - 6 ACME-G 1 11/32 DR RH G HS GQ 12N Overall Length is 18" Condition is "used", so you need look at pictures very carefully.